
/*
 * Copyright (c) 2007 Pentaho Corporation.  All rights reserved. 
 * This software was developed by Pentaho Corporation and is provided under the terms 
 * of the GNU Lesser General Public License, Version 2.1. You may not use 
 * this file except in compliance with the license. If you need a copy of the license, 
 * please go to http://www.gnu.org/licenses/lgpl-2.1.txt. The Original Code is Pentaho 
 * Data Integration.  The Initial Developer is Samatar Hassan.
 *
 * Software distributed under the GNU Lesser Public License is distributed on an "AS IS" 
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
 * the license for the specific language governing your rights and limitations.
*/

package org.pentaho.di.job.entries.simpleeval;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.regex.Pattern;

import org.pentaho.di.cluster.SlaveServer;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.Result;
import org.pentaho.di.core.RowMetaAndData;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.core.exception.KettleDatabaseException;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.exception.KettleXMLException;
import org.pentaho.di.core.util.StringUtil;
import org.pentaho.di.core.xml.XMLHandler;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.job.entry.JobEntryBase;
import org.pentaho.di.job.entry.JobEntryInterface;
import org.pentaho.di.repository.ObjectId;
import org.pentaho.di.repository.Repository;
import org.w3c.dom.Node;




/**
 * This defines a 'simple evaluation' job entry.
 * 
 * @author Samatar Hassan
 * @since 01-01-2009
 */

public class JobEntrySimpleEval extends JobEntryBase implements Cloneable, JobEntryInterface
{
	private static Class<?> PKG = JobEntrySimpleEval.class; // for i18n purposes, needed by Translator2!!   $NON-NLS-1$
	
	public static final String[] valueTypeDesc = new String[] { 
		BaseMessages.getString(PKG, "JobSimpleEval.EvalPreviousField.Label"), 
		BaseMessages.getString(PKG, "JobSimpleEval.EvalVariable.Label"),
	
	};
	public static final String[] valueTypeCode = new String[] { 
		"field", 
		"variable"
	};
	public static final int VALUE_TYPE_FIELD=0;
	public static final int VALUE_TYPE_VARIABLE=1;
	public int valuetype;
	
	
	public static final String[] successConditionDesc = new String[] { 
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenEqual.Label"), 
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenDifferent.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenContains.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenNotContains.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenStartWith.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenNotStartWith.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenEndWith.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenNotEndWith.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenRegExp.Label")
	
	};
	public static final String[] successConditionCode = new String[] { 
		"equal", 
		"different",
		"contains",
		"notcontains",
		"startswith",
		"notstatwith",
		"endswith",
		"notendwith",
		"regexp"
	};

	public static final int SUCCESS_CONDITION_EQUAL=0;
	public static final int SUCCESS_CONDITION_DIFFERENT=1;
	public static final int SUCCESS_CONDITION_CONTAINS=2;
	public static final int SUCCESS_CONDITION_NOT_CONTAINS=3;
	public static final int SUCCESS_CONDITION_START_WITH=4;
	public static final int SUCCESS_CONDITION_NOT_START_WITH=5;
	public static final int SUCCESS_CONDITION_END_WITH=6;
	public static final int SUCCESS_CONDITION_NOT_END_WITH=7;
	public static final int SUCCESS_CONDITION_REGEX=8;
	
	public int successcondition;


	public static final String[] fieldTypeDesc = new String[] { 
		BaseMessages.getString(PKG, "JobSimpleEval.FieldTypeString.Label"), 
		BaseMessages.getString(PKG, "JobSimpleEval.FieldTypeNumber.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.FieldTypeDateTime.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.FieldTypeBoolean.Label"),
	
	};
	public static final String[] fieldTypeCode = new String[] { 
		"string", 
		"number",
		"datetime",
		"boolean"
	};
	public static final int FIELD_TYPE_STRING=0;
	public static final int FIELD_TYPE_NUMBER=1;
	public static final int FIELD_TYPE_DATE_TIME=2;
	public static final int FIELD_TYPE_BOOLEAN=3;
	
	public int fieldtype;


	public static final String[] successNumberConditionDesc = new String[] { 
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenEqual.Label"), 
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenDifferent.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenSmallThan.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenSmallOrEqualThan.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenGreaterThan.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenGreaterOrEqualThan.Label"),
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessBetween.Label"),
	
	};
	public static final String[] successNumberConditionCode = new String[] { 
		"equal", 
		"different",
		"smaller",
		"smallequal",
		"greater",
		"greaterequal",
		"between"
	};
	public static final int SUCCESS_NUMBER_CONDITION_EQUAL=0;
	public static final int SUCCESS_NUMBER_CONDITION_DIFFERENT=1;
	public static final int SUCCESS_NUMBER_CONDITION_SMALLER=2;
	public static final int SUCCESS_NUMBER_CONDITION_SMALLER_EQUAL=3;
	public static final int SUCCESS_NUMBER_CONDITION_GREATER=4;
	public static final int SUCCESS_NUMBER_CONDITION_GREATER_EQUAL=5;
	public static final int SUCCESS_NUMBER_CONDITION_BETWEEN=6;

	public int successnumbercondition;
	

	public static final String[] successBooleanConditionDesc = new String[] { 
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenTrue.Label"), 
		BaseMessages.getString(PKG, "JobSimpleEval.SuccessWhenFalse.Label")
	
	};
	public static final String[] successBooleanConditionCode = new String[] { 
		"true", 
		"false"
	};
	public static final int SUCCESS_BOOLEAN_CONDITION_TRUE=0;
	public static final int SUCCESS_BOOLEAN_CONDITION_FALSE=1;


	public int successbooleancondition;
	
	private String fieldname;
	private String variablename;
	private String mask;
	private String comparevalue;
	private String minvalue;
	private String maxvalue;
	
	private boolean successwhenvarset;

	public JobEntrySimpleEval(String n)
	{
		super(n, "");
		valuetype=VALUE_TYPE_FIELD;
		successcondition=SUCCESS_CONDITION_EQUAL;
		successnumbercondition=SUCCESS_NUMBER_CONDITION_EQUAL;
		successbooleancondition=SUCCESS_BOOLEAN_CONDITION_FALSE;
		minvalue=null;
		maxvalue=null;
		comparevalue=null;
		fieldname=null;
		variablename=null;
		fieldtype=FIELD_TYPE_STRING;
		mask=null;
		successwhenvarset=false;
		
		setID(-1L);
	}

	public JobEntrySimpleEval()
	{
		this("");
	}

	public Object clone()
	{
		JobEntrySimpleEval je = (JobEntrySimpleEval) super.clone();
		return je;
	}
	private static String getValueTypeCode(int i) {
		if (i < 0 || i >= valueTypeCode.length)
			return valueTypeCode[0];
		return valueTypeCode[i];
	}
	private static String getFieldTypeCode(int i) {
		if (i < 0 || i >= fieldTypeCode.length)
			return fieldTypeCode[0];
		return fieldTypeCode[i];
	}
	
	private static String getSuccessConditionCode(int i) {
		if (i < 0 || i >= successConditionCode.length)
			return successConditionCode[0];
		return successConditionCode[i];
	}
	public static String getSuccessNumberConditionCode(int i) {
		if (i < 0 || i >= successNumberConditionCode.length)
			return successNumberConditionCode[0];
		return successNumberConditionCode[i];
	}
	private static String getSuccessBooleanConditionCode(int i) {
		if (i < 0 || i >= successBooleanConditionCode.length)
			return successBooleanConditionCode[0];
		return successBooleanConditionCode[i];
	}
	
	public String getXML()
	{
		StringBuffer retval = new StringBuffer(300);
		
		retval.append(super.getXML());				
		retval.append("      ").append(XMLHandler.addTagValue("valuetype",getValueTypeCode(valuetype)));
		retval.append("      ").append(XMLHandler.addTagValue("fieldname", fieldname));
		retval.append("      ").append(XMLHandler.addTagValue("variablename", variablename));
		retval.append("      ").append(XMLHandler.addTagValue("fieldtype",getFieldTypeCode(fieldtype)));
		retval.append("      ").append(XMLHandler.addTagValue("mask", mask));
		retval.append("      ").append(XMLHandler.addTagValue("comparevalue", comparevalue));
		retval.append("      ").append(XMLHandler.addTagValue("minvalue", minvalue));
		retval.append("      ").append(XMLHandler.addTagValue("maxvalue", maxvalue));
		retval.append("      ").append(XMLHandler.addTagValue("successcondition",getSuccessConditionCode(successcondition)));
		retval.append("      ").append(XMLHandler.addTagValue("successnumbercondition",getSuccessNumberConditionCode(successnumbercondition)));
		retval.append("      ").append(XMLHandler.addTagValue("successbooleancondition",getSuccessBooleanConditionCode(successbooleancondition)));
		retval.append("      ").append(XMLHandler.addTagValue("successwhenvarset", successwhenvarset));
		return retval.toString();
	}
	
	private static int getValueTypeByCode(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < valueTypeCode.length; i++) {
			if (valueTypeCode[i].equalsIgnoreCase(tt))
				return i;
		}
		return 0;
	}
	private static int getSuccessNumberByCode(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successNumberConditionCode.length; i++) {
			if (successNumberConditionCode[i].equalsIgnoreCase(tt))
				return i;
		}
		return 0;
	}
	private static int getSuccessBooleanByCode(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successBooleanConditionCode.length; i++) {
			if (successBooleanConditionCode[i].equalsIgnoreCase(tt))
				return i;
		}
		return 0;
	}
	
	private static int getFieldTypeByCode(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < fieldTypeCode.length; i++) {
			if (fieldTypeCode[i].equalsIgnoreCase(tt))
				return i;
		}
		return 0;
	}
	
	private static int getSuccessConditionByCode(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successConditionCode.length; i++) {
			if (successConditionCode[i].equalsIgnoreCase(tt))
				return i;
		}
		return 0;
	}
	public void setSuccessWhenVarSet(boolean successwhenvarset)
	{
		this.successwhenvarset=successwhenvarset;
	}
	public boolean isSuccessWhenVarSet()
	{
		return this.successwhenvarset;
	}

	public static int getSuccessNumberConditionByCode(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successNumberConditionCode.length; i++) {
			if (successNumberConditionCode[i].equalsIgnoreCase(tt))
				return i;
		}
		return 0;
	}
	
	private static int getSuccessBooleanConditionByCode(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successBooleanConditionCode.length; i++) {
			if (successBooleanConditionCode[i].equalsIgnoreCase(tt))
				return i;
		}
		return 0;
	}
	public void loadXML(Node entrynode, List<DatabaseMeta> databases, List<SlaveServer> slaveServers, Repository rep) throws KettleXMLException
	{
	 try
	 {
		  super.loadXML(entrynode, databases, slaveServers);

			valuetype = getValueTypeByCode(Const.NVL(XMLHandler.getTagValue(entrynode,	"valuetype"), ""));
			fieldname          = XMLHandler.getTagValue(entrynode, "fieldname");
			fieldtype = getFieldTypeByCode(Const.NVL(XMLHandler.getTagValue(entrynode,	"fieldtype"), ""));
			variablename          = XMLHandler.getTagValue(entrynode, "variablename");
			mask          = XMLHandler.getTagValue(entrynode, "mask");
			comparevalue          = XMLHandler.getTagValue(entrynode, "comparevalue");
			minvalue          = XMLHandler.getTagValue(entrynode, "minvalue");
			maxvalue          = XMLHandler.getTagValue(entrynode, "maxvalue");
			successcondition = getSuccessConditionByCode(Const.NVL(XMLHandler.getTagValue(entrynode,	"successcondition"), ""));
			successnumbercondition = getSuccessNumberConditionByCode(Const.NVL(XMLHandler.getTagValue(entrynode,	"successnumbercondition"), ""));
			successbooleancondition = getSuccessBooleanConditionByCode(Const.NVL(XMLHandler.getTagValue(entrynode,	"successbooleancondition"), ""));
			successwhenvarset  =  "Y".equalsIgnoreCase(XMLHandler.getTagValue(entrynode, "successwhenvarset"));
		}	
		catch(KettleXMLException xe)
		{	
			throw new KettleXMLException(BaseMessages.getString(PKG, "JobEntrySimple.Error.Exception.UnableLoadXML"), xe);
		}
	}

  public void loadRep(Repository rep, ObjectId id_jobentry, List<DatabaseMeta> databases, List<SlaveServer> slaveServers) throws KettleException
  { 
		try
		{
			valuetype = getValueTypeByCode(Const.NVL(rep.getJobEntryAttributeString(id_jobentry,"valuetype"), ""));
			fieldname  = rep.getJobEntryAttributeString(id_jobentry, "fieldname");
			variablename  = rep.getJobEntryAttributeString(id_jobentry, "variablename");
			fieldtype = getFieldTypeByCode(Const.NVL(rep.getJobEntryAttributeString(id_jobentry,"fieldtype"), ""));
			mask  = rep.getJobEntryAttributeString(id_jobentry, "mask");
			comparevalue  = rep.getJobEntryAttributeString(id_jobentry, "comparevalue");
			minvalue  = rep.getJobEntryAttributeString(id_jobentry, "minvalue");
			maxvalue  = rep.getJobEntryAttributeString(id_jobentry, "maxvalue");
			successcondition = getSuccessConditionByCode(Const.NVL(rep.getJobEntryAttributeString(id_jobentry,"successcondition"), ""));
			successnumbercondition = getSuccessNumberConditionByCode(Const.NVL(rep.getJobEntryAttributeString(id_jobentry,"successnumbercondition"), ""));
			successbooleancondition = getSuccessBooleanConditionByCode(Const.NVL(rep.getJobEntryAttributeString(id_jobentry,"successbooleancondition"), ""));
			successwhenvarset  = rep.getJobEntryAttributeBoolean(id_jobentry, "successwhenvarset");
		}
		catch(KettleException dbe)
		{
			throw new KettleException(BaseMessages.getString(PKG, "JobEntrySimple.Error.Exception.UnableLoadRep")+id_jobentry, dbe);
		}
	}
	
	public void saveRep(Repository rep, ObjectId id_job) throws KettleException
	{
		try
		{
			rep.saveJobEntryAttribute(id_job, getObjectId(),"valuetype", getValueTypeCode(valuetype));
			rep.saveJobEntryAttribute(id_job, getObjectId(), "fieldname",  fieldname);
			rep.saveJobEntryAttribute(id_job, getObjectId(), "variablename",  variablename);
			rep.saveJobEntryAttribute(id_job, getObjectId(),"fieldtype", getFieldTypeCode(fieldtype));
			rep.saveJobEntryAttribute(id_job, getObjectId(), "fieldtype",  fieldtype);
			rep.saveJobEntryAttribute(id_job, getObjectId(), "mask",  mask);
			rep.saveJobEntryAttribute(id_job, getObjectId(), "comparevalue",  comparevalue);
			rep.saveJobEntryAttribute(id_job, getObjectId(), "minvalue",  minvalue);
			rep.saveJobEntryAttribute(id_job, getObjectId(), "maxvalue",  maxvalue);
			rep.saveJobEntryAttribute(id_job, getObjectId(),"successcondition", getSuccessConditionCode(successcondition));
			rep.saveJobEntryAttribute(id_job, getObjectId(),"successnumbercondition", getSuccessNumberConditionCode(successnumbercondition));
			rep.saveJobEntryAttribute(id_job, getObjectId(),"successbooleancondition", getSuccessBooleanConditionCode(successbooleancondition));
			rep.saveJobEntryAttribute(id_job, getObjectId(), "successwhenvarset",  successwhenvarset);
		}
		catch(KettleDatabaseException dbe)
		{
			throw new KettleException(BaseMessages.getString(PKG, "JobEntrySimple.Error.Exception.UnableSaveRep")+id_job, dbe);
		}
	}

	public Result execute(Result previousResult, int nr) throws KettleException 
	{
		Result result = previousResult;
		
		result.setNrErrors(1);
		result.setResult(false);

		String sourcevalue=null;
		switch (valuetype)
		{
			case VALUE_TYPE_FIELD: 
				List<RowMetaAndData> rows = result.getRows();
				RowMetaAndData resultRow = null; 
				if(isDetailed())	
					logDetailed(BaseMessages.getString(PKG, "JobEntrySimpleEval.Log.ArgFromPrevious.Found",(rows!=null?rows.size():0)+ ""));
			
				if(rows.size()==0) 
				{
					rows=null;
					logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.NoRows"));
					return result;
				}
				// get first row
				resultRow = rows.get(0);
				String realfieldname=environmentSubstitute(fieldname);
				int indexOfField=-1;
				indexOfField=resultRow.getRowMeta().indexOfValue(realfieldname);
				if(indexOfField==-1)
				{
					logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.FieldNotExist",realfieldname));
					resultRow=null;
					rows=null;
					return result;
				}
				sourcevalue=resultRow.getString(indexOfField,null);
				resultRow=null;
				rows=null;
			break;
			case VALUE_TYPE_VARIABLE: 
				
				if(Const.isEmpty(variablename))
				{
					logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.VariableMissing"));
					return result;
				}
				if(isSuccessWhenVarSet())
				{
					// return variable name
					String variableName=StringUtil.getVariableName(getVariableWithSpec());
					if(System.getProperty(variableName)!=null)
					{
						if(isDetailed()) logDetailed(BaseMessages.getString(PKG, "JobEntrySimpleEval.VariableSet",variableName));
						result.setResult(true);
						result.setNrErrors(0);
						return result;
					}else {
						if(isDetailed()) logDetailed(BaseMessages.getString(PKG, "JobEntrySimpleEval.VariableNotSet",variableName));
						return result;
					}
				}
				sourcevalue=environmentSubstitute(getVariableWithSpec());
			break;
			default:
			break;
		}

		if(isDetailed()) logDetailed(BaseMessages.getString(PKG, "JobSimpleEval.Log.ValueToevaluate",sourcevalue));
		
		boolean success=false;
		String realCompareValue=environmentSubstitute(comparevalue);
		String realMinValue=environmentSubstitute(minvalue);
		String realMaxValue=environmentSubstitute(maxvalue);
		
		switch (fieldtype)
		{
			case FIELD_TYPE_STRING: 
				switch (successcondition)
				{
				case SUCCESS_CONDITION_EQUAL: // equal
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(sourcevalue.equals(realCompareValue));
					if(valuetype== VALUE_TYPE_VARIABLE && !success) {
						// make the empty value evaluate to true when compared to a not set variable 
						if(Const.isEmpty(realCompareValue)) {
							String variableName=StringUtil.getVariableName(variablename);
							if(System.getProperty(variableName)==null) {
								success=true;
							}
						}
					}
				break;
				case SUCCESS_CONDITION_DIFFERENT: // different
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(!sourcevalue.equals(realCompareValue));
				break;
				case SUCCESS_CONDITION_CONTAINS: // contains
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(sourcevalue.contains(realCompareValue));
				break;
				case SUCCESS_CONDITION_NOT_CONTAINS: // not contains
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(!sourcevalue.contains(realCompareValue));
				break;
				case SUCCESS_CONDITION_START_WITH: // starts with
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(sourcevalue.startsWith(realCompareValue));
				break;
				case SUCCESS_CONDITION_NOT_START_WITH: // not start with
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(!sourcevalue.startsWith(realCompareValue));
				break;
				case SUCCESS_CONDITION_END_WITH: // ends with
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(sourcevalue.endsWith(realCompareValue));
				break;
				case SUCCESS_CONDITION_NOT_END_WITH: // not ends with
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(!sourcevalue.endsWith(realCompareValue));
				break;
				case SUCCESS_CONDITION_REGEX: // regexp
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					success=(Pattern.compile(realCompareValue).matcher(sourcevalue).matches());
				break;
				default:
				break;
				}
			break;
			case FIELD_TYPE_NUMBER: 
				double valuenumber;
				try{valuenumber=Double.parseDouble(sourcevalue);
				}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",sourcevalue,e.getMessage()));return result;}
				
				double valuecompare;
				switch (successnumbercondition)
				{
				case SUCCESS_NUMBER_CONDITION_EQUAL: // equal
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));					
					try{valuecompare=Double.parseDouble(realCompareValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realCompareValue,e.getMessage()));return result;}
					success=(valuenumber==valuecompare);
				break;
				case SUCCESS_NUMBER_CONDITION_DIFFERENT: // different
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					try{valuecompare=Double.parseDouble(realCompareValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realCompareValue,e.getMessage()));return result;}
					success=(valuenumber!=valuecompare);
				break;
				case SUCCESS_NUMBER_CONDITION_SMALLER: // smaller
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					try{valuecompare=Double.parseDouble(realCompareValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realCompareValue,e.getMessage()));return result;}
					success=(valuenumber<valuecompare);
				break;
				case SUCCESS_NUMBER_CONDITION_SMALLER_EQUAL: // smaller or equal
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					try{valuecompare=Double.parseDouble(realCompareValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realCompareValue,e.getMessage()));return result;}
					success=(valuenumber<=valuecompare);
				break;
				case SUCCESS_NUMBER_CONDITION_GREATER: // greater
					try{valuecompare=Double.parseDouble(realCompareValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realCompareValue,e.getMessage()));return result;}
					success=(valuenumber>valuecompare);
				break;
				case SUCCESS_NUMBER_CONDITION_GREATER_EQUAL: // greater or equal
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
					try{valuecompare=Double.parseDouble(realCompareValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realCompareValue,e.getMessage()));return result;}
					success=(valuenumber>=valuecompare);
				break;
				case SUCCESS_NUMBER_CONDITION_BETWEEN: // between min and max
					if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValues",realMinValue,realMaxValue));
					double valuemin;
					try{valuemin=Double.parseDouble(realMinValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realMinValue,e.getMessage()));return result;}
					double valuemax;
					try{valuemax=Double.parseDouble(realMaxValue);
					}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableNumber",realMaxValue,e.getMessage()));return result;}
					
					if(valuemin>=valuemax)
					{
						logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.IncorrectNumbers",realMinValue,realMaxValue));
						return result;
					}
					success=(valuenumber>=valuemin && valuenumber<=valuemax);
				break;
				default:
				break;
				}
			break;
			case FIELD_TYPE_DATE_TIME: 
				String realMask=environmentSubstitute(mask);
				SimpleDateFormat df  = new SimpleDateFormat();
				if (!Const.isEmpty(realMask)) df.applyPattern(realMask);
				
				Date datevalue=null;
				try{datevalue=convertToDate(sourcevalue, realMask, df);
				}catch(Exception e)	{logError(e.getMessage());return result;}
				
				Date datecompare;
				switch (successnumbercondition)
				{
					case SUCCESS_NUMBER_CONDITION_EQUAL: // equal
						if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
						try{datecompare=convertToDate(realCompareValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						success=(datevalue.equals(datecompare));
					break;
					case SUCCESS_NUMBER_CONDITION_DIFFERENT: // different
						if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
						try{datecompare=convertToDate(realCompareValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						success=(!datevalue.equals(datecompare));
					break;
					case SUCCESS_NUMBER_CONDITION_SMALLER: // smaller
						if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
						try{datecompare=convertToDate(realCompareValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						success=(datevalue.before(datecompare));
					break;
					case SUCCESS_NUMBER_CONDITION_SMALLER_EQUAL: // smaller or equal
						if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
						try{datecompare=convertToDate(realCompareValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						success=(datevalue.before(datecompare) || datevalue.equals(datecompare));
					break;
					case SUCCESS_NUMBER_CONDITION_GREATER: // greater
						if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
						try{datecompare=convertToDate(realCompareValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						success=(datevalue.after(datecompare));
					break;
					case SUCCESS_NUMBER_CONDITION_GREATER_EQUAL: // greater or equal
						if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValue",sourcevalue,realCompareValue));
						try{datecompare=convertToDate
							(realCompareValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						success=(datevalue.after(datecompare)  || datevalue.equals(datecompare)) ;
					break;
					case SUCCESS_NUMBER_CONDITION_BETWEEN: // between min and max
						if(isDebug()) logDebug( BaseMessages.getString(PKG, "JobSimpleEval.Log.CompareWithValues",realMinValue,realMaxValue));
						Date datemin;
						try{datemin=convertToDate(realMinValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						
						Date datemax;
						try{datemax=convertToDate(realMaxValue, realMask, df);
						}catch(Exception e)	{logError(e.getMessage());return result;}
						
						if(datemin.after(datemax) || datemin.equals(datemax))
						{
							logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.IncorrectDates",realMinValue,realMaxValue));
							return result;
						}
						
						success=((datevalue.after(datemin)|| datevalue.equals(datemin))
							&&  (datevalue.before(datemax)|| datevalue.equals(datemax)));
					break;
					default:
					break;
				}
				df=null;
			break;
			case FIELD_TYPE_BOOLEAN: 
				boolean valuebool;
				try{valuebool=Boolean.parseBoolean(sourcevalue);
				}catch(Exception e)	{logError(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableBoolean",sourcevalue,e.getMessage()));return result;}
				
				switch (successbooleancondition)
				{
					case SUCCESS_BOOLEAN_CONDITION_FALSE: // false				
						success=(!valuebool);
					break;
					case SUCCESS_BOOLEAN_CONDITION_TRUE: // true
						success=(valuebool);
					break;
					default:
					break;
				}
			break;
			default:
			break;
		}
		
		if(success)
		{
			result.setResult(true);
			result.setNrErrors(0);
		}
		return result;
	}
	
	/*
	 * Returns variable with specifications
	 */
	private String getVariableWithSpec()
	{
	    String variable=getVariableName();
	    if((!variable.contains(StringUtil.UNIX_OPEN) 
	    		&& !variable.contains(StringUtil.WINDOWS_OPEN) 
	    		&& !variable.contains(StringUtil.HEX_OPEN)) 
    	&& ((!variable.contains(StringUtil.UNIX_CLOSE) 
    			&& !variable.contains(StringUtil.WINDOWS_CLOSE) 
    			&& !variable.contains(StringUtil.HEX_CLOSE)))) {
	   		// Add specifications to variable
	    	variable=StringUtil.UNIX_OPEN + variable + StringUtil.UNIX_CLOSE;
	   		if(isDetailed())  logDetailed(BaseMessages.getString(PKG, "JobEntrySimpleEval.CheckingVariable", variable));
	    }
	    return variable;
	}
	private Date convertToDate(String valueString,String mask,SimpleDateFormat df) throws KettleException
	{
		Date datevalue=null;
		try{
			datevalue=df.parse(valueString);
		}catch(Exception e)
		{
			throw new KettleException(BaseMessages.getString(PKG, "JobEntrySimpleEval.Error.UnparsableDate",valueString));
		}
		return datevalue;
	}

	public static String getValueTypeDesc(int i) {
		if (i < 0 || i >= valueTypeDesc.length)
			return valueTypeDesc[0];
		return valueTypeDesc[i];
	}
	public static String getFieldTypeDesc(int i) {
		if (i < 0 || i >= fieldTypeDesc.length)
			return fieldTypeDesc[0];
		return fieldTypeDesc[i];
	}
	public static String getSuccessConditionDesc(int i) {
		if (i < 0 || i >= successConditionDesc.length)
			return successConditionDesc[0];
		return successConditionDesc[i];
	}
	public static String getSuccessNumberConditionDesc(int i) {
		if (i < 0 || i >= successNumberConditionDesc.length)
			return successNumberConditionDesc[0];
		return successNumberConditionDesc[i];
	}
	public static String getSuccessBooleanConditionDesc(int i) {
		if (i < 0 || i >= successBooleanConditionDesc.length)
			return successBooleanConditionDesc[0];
		return successBooleanConditionDesc[i];
	}
	public static int getValueTypeByDesc(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < valueTypeDesc.length; i++) {
			if (valueTypeDesc[i].equalsIgnoreCase(tt))
				return i;
		}

		// If this fails, try to match using the code.
		return getValueTypeByCode(tt);
	}
	public static int getFieldTypeByDesc(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < fieldTypeDesc.length; i++) {
			if (fieldTypeDesc[i].equalsIgnoreCase(tt))
				return i;
		}

		// If this fails, try to match using the code.
		return getFieldTypeByCode(tt);
	}
	public static int getSuccessConditionByDesc(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successConditionDesc.length; i++) {
			if (successConditionDesc[i].equalsIgnoreCase(tt))
				return i;
		}

		// If this fails, try to match using the code.
		return getSuccessConditionByCode(tt);
	}
	public static int getSuccessNumberConditionByDesc(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successNumberConditionDesc.length; i++) {
			if (successNumberConditionDesc[i].equalsIgnoreCase(tt))
				return i;
		}

		// If this fails, try to match using the code.
		return getSuccessNumberByCode(tt);
	}
	public static int getSuccessBooleanConditionByDesc(String tt) {
		if (tt == null)
			return 0;

		for (int i = 0; i < successBooleanConditionDesc.length; i++) {
			if (successBooleanConditionDesc[i].equalsIgnoreCase(tt))
				return i;
		}

		// If this fails, try to match using the code.
		return getSuccessBooleanByCode(tt);
	}
	
	public void setMinValue(String minvalue)
	{
		this.minvalue=minvalue;
	}
	
	public String getMinValue()
	{
		return minvalue;
	}
	public void setCompareValue(String comparevalue)
	{
		this.comparevalue=comparevalue;
	}
	public String getMask()
	{
		return mask;
	}
	public void setMask(String mask)
	{
		this.mask=mask;
	}

	public String getFieldName()
	{
		return fieldname;
	}
	public void setFieldName(String fieldname)
	{
		this.fieldname=fieldname;
	}
	
	public String getVariableName()
	{
		return variablename;
	}
	public void setVariableName(String variablename)
	{
		this.variablename=variablename;
	}
	
	public String getCompareValue()
	{
		return comparevalue;
	}
	
	
	public void setMaxValue(String maxvalue)
	{
		this.maxvalue=maxvalue;
	}
	
	public String getMaxValue()
	{
		return maxvalue;
	}
	
   public boolean evaluates() {
		return true;
   }

}